FR2556833B1 - APPARATUS FOR DETECTING THE APPEARANCE OF CRACKS OR FRACTURES IN STRUCTURAL ELEMENTS AND MECHANICAL COMPONENTS - Google Patents
APPARATUS FOR DETECTING THE APPEARANCE OF CRACKS OR FRACTURES IN STRUCTURAL ELEMENTS AND MECHANICAL COMPONENTSInfo
- Publication number
- FR2556833B1 FR2556833B1 FR8320353A FR8320353A FR2556833B1 FR 2556833 B1 FR2556833 B1 FR 2556833B1 FR 8320353 A FR8320353 A FR 8320353A FR 8320353 A FR8320353 A FR 8320353A FR 2556833 B1 FR2556833 B1 FR 2556833B1
- Authority
- FR
- France
- Prior art keywords
- fractures
- cracks
- appearance
- detecting
- structural elements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/08—Testing mechanical properties
- G01M11/083—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
- G01M11/085—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT] the optical fiber being on or near the surface of the DUT
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8320353A FR2556833B1 (en) | 1983-12-20 | 1983-12-20 | APPARATUS FOR DETECTING THE APPEARANCE OF CRACKS OR FRACTURES IN STRUCTURAL ELEMENTS AND MECHANICAL COMPONENTS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8320353A FR2556833B1 (en) | 1983-12-20 | 1983-12-20 | APPARATUS FOR DETECTING THE APPEARANCE OF CRACKS OR FRACTURES IN STRUCTURAL ELEMENTS AND MECHANICAL COMPONENTS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2556833A1 FR2556833A1 (en) | 1985-06-21 |
FR2556833B1 true FR2556833B1 (en) | 1986-04-11 |
Family
ID=9295337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8320353A Expired FR2556833B1 (en) | 1983-12-20 | 1983-12-20 | APPARATUS FOR DETECTING THE APPEARANCE OF CRACKS OR FRACTURES IN STRUCTURAL ELEMENTS AND MECHANICAL COMPONENTS |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2556833B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2387374B (en) * | 2002-04-12 | 2005-03-02 | Bamford Excavators Ltd | Detecting damage to a structural member |
EP2112374B2 (en) | 2008-04-21 | 2018-10-17 | Siemens Aktiengesellschaft | Crack detection system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2312993B1 (en) * | 1973-03-15 | 1974-09-12 | Alois Zettler Elektrotechnische Fabrik Gmbh, 8000 Muenchen | Fire smoke detector |
FR2246064B1 (en) * | 1973-10-02 | 1977-09-23 | Commissariat Energie Atomique | |
GB1570511A (en) * | 1976-08-20 | 1980-07-02 | Standard Telephones Cables Ltd | Strain threshold alarm device |
-
1983
- 1983-12-20 FR FR8320353A patent/FR2556833B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2556833A1 (en) | 1985-06-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |